Slickenside Rocks

These Rocks Have Been Changed!

Map data: 2013 Google, 2013 DigitalGlobe

Location of the Slickenside Rocks

near Wrightwood, CA in the San Gabriel Mountains.

34.38 latitude, -117.71 longitude

 

Polishing

The San Andreas Fault cuts right into this area.  The rocks along the edges of the fault get rubbed past each other, creating a polished side, while the other side remained normal.